mirror of
https://github.com/linux-man/LoveFrames.git
synced 2024-10-11 22:34:17 +00:00
545 lines
13 KiB
Lua
545 lines
13 KiB
Lua
--[[------------------------------------------------
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-- Love Frames - A GUI library for LOVE --
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-- Copyright (c) 2013 Kenny Shields --
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--]]------------------------------------------------
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--[[------------------------------------------------
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-- note: the text wrapping of this object is
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experimental and not final
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--]]------------------------------------------------
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-- text class
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local newobject = loveframes.NewObject("text", "loveframes_object_text", true)
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--[[---------------------------------------------------------
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- func: initialize()
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- desc: initializes the object
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--]]---------------------------------------------------------
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function newobject:initialize()
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self.type = "text"
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self.text = ""
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self.font = loveframes.basicfont
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self.width = 5
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self.height = 5
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self.maxw = 0
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self.shadowxoffset = 1
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self.shadowyoffset = 1
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self.formattedtext = {}
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self.original = {}
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self.shadowcolor = {0, 0, 0, 255}
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self.ignorenewlines = false
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self.shadow = false
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self.internal = false
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end
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--[[---------------------------------------------------------
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- func: update(deltatime)
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- desc: updates the object
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--]]---------------------------------------------------------
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function newobject:update(dt)
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local state = loveframes.state
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local selfstate = self.state
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if state ~= selfstate then
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return
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end
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local visible = self.visible
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local alwaysupdate = self.alwaysupdate
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if not visible then
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if not alwaysupdate then
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return
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end
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end
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local parent = self.parent
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local base = loveframes.base
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local update = self.Update
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self:CheckHover()
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-- move to parent if there is a parent
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if parent ~= base then
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self.x = self.parent.x + self.staticx
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self.y = self.parent.y + self.staticy
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end
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if update then
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update(self, dt)
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end
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end
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--[[---------------------------------------------------------
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- func: draw()
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- desc: draws the object
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--]]---------------------------------------------------------
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function newobject:draw()
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local state = loveframes.state
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local selfstate = self.state
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if state ~= selfstate then
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return
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end
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if not self.visible then
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return
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end
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local skins = loveframes.skins.available
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local skinindex = loveframes.config["ACTIVESKIN"]
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local defaultskin = loveframes.config["DEFAULTSKIN"]
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local selfskin = self.skin
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local skin = skins[selfskin] or skins[skinindex]
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local drawfunc = skin.DrawText or skins[defaultskin].DrawText
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local draw = self.Draw
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local drawcount = loveframes.drawcount
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-- set the object's draw order
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self:SetDrawOrder()
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if draw then
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draw(self)
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else
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drawfunc(self)
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end
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self:DrawText()
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end
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--[[---------------------------------------------------------
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- func: mousepressed(x, y, button)
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- desc: called when the player presses a mouse button
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--]]---------------------------------------------------------
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function newobject:mousepressed(x, y, button)
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local state = loveframes.state
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local selfstate = self.state
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if state ~= selfstate then
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return
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end
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local visible = self.visible
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if not visible then
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return
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end
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local hover = self.hover
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if hover and button == "l" then
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local baseparent = self:GetBaseParent()
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if baseparent and baseparent.type == "frame" then
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baseparent:MakeTop()
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end
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end
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end
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--[[---------------------------------------------------------
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- func: SetText(text)
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- desc: sets the object's text
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--]]---------------------------------------------------------
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function newobject:SetText(t)
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local dtype = type(t)
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local maxw = self.maxw
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local font = self.font
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local inserts = {}
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local tdata, prevcolor
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self.text = ""
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self.formattedtext = {}
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if dtype == "string" then
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tdata = {t}
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self.original = {t}
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elseif dtype == "number" then
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tdata = {tostring(t)}
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self.original = {tostring(t)}
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elseif dtype == "table" then
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tdata = t
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self.original = t
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else
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return
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end
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for k, v in ipairs(tdata) do
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local dtype = type(v)
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if k == 1 and dtype ~= "table" then
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prevcolor = {0, 0, 0, 255}
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end
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if dtype == "table" then
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prevcolor = v
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elseif dtype == "number" then
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table.insert(self.formattedtext, {color = prevcolor, text = tostring(v)})
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elseif dtype == "string" then
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if self.ignorenewlines then
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v = v:gsub(" \n ", " ")
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v = v:gsub("\n", "")
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end
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v = v:gsub(string.char(9), " ")
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local parts = loveframes.util.SplitString(v, " ")
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for i, j in ipairs(parts) do
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table.insert(self.formattedtext, {color = prevcolor, text = j})
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end
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end
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end
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if maxw > 0 then
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for k, v in ipairs(self.formattedtext) do
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local data = v.text
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local width = font:getWidth(data)
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local curw = 0
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local new = ""
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local key = k
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if width > maxw then
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table.remove(self.formattedtext, k)
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for n=1, #data do
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local item = data:sub(n, n)
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local itemw = font:getWidth(item)
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if n ~= #data then
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if (curw + itemw) > maxw then
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table.insert(inserts, {key = key, color = v.color, text = new})
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new = item
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curw = 0 + itemw
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key = key + 1
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else
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new = new .. item
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curw = curw + itemw
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end
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else
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new = new .. item
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table.insert(inserts, {key = key, color = v.color, text = new})
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end
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end
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end
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end
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end
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for k, v in ipairs(inserts) do
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table.insert(self.formattedtext, v.key, {color = v.color, text = v.text})
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end
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local textdata = self.formattedtext
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local maxw = self.maxw
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local font = self.font
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local height = font:getHeight("a")
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local twidth = 0
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local drawx = 0
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local drawy = 0
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local lines = 0
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local textwidth = 0
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local lastwidth = 0
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local totalwidth = 0
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local x = self.x
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local y = self.y
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local prevtextwidth = 0
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for k, v in ipairs(textdata) do
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local text = v.text
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local color = v.color
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if type(text) == "string" then
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self.text = self.text .. text
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local width = font:getWidth(text)
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totalwidth = totalwidth + width
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if maxw > 0 then
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if k ~= 1 then
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if string.byte(text) == 10 then
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twidth = 0
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drawx = 0
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width = 0
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drawy = drawy + height
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text = ""
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elseif (twidth + width) > maxw then
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twidth = 0 + width
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drawx = 0
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drawy = drawy + height
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else
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twidth = twidth + width
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drawx = drawx + prevtextwidth
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end
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else
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twidth = twidth + width
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end
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prevtextwidth = width
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v.x = drawx
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v.y = drawy
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else
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if k ~= 1 then
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if string.byte(text) == 10 then
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twidth = 0
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drawx = 0
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width = 0
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drawy = drawy + height
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text = ""
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if lastwidth < textwidth then
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lastwidth = textwidth
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end
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textwidth = 0
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else
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drawx = drawx + prevtextwidth
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textwidth = textwidth + width
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end
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end
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prevtextwidth = width
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v.x = drawx
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v.y = drawy
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end
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end
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end
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if lastwidth == 0 then
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textwidth = totalwidth
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end
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if maxw > 0 then
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self.width = maxw
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else
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self.width = textwidth
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end
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self.height = drawy + height
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end
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--[[---------------------------------------------------------
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- func: GetText()
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- desc: gets the object's text
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--]]---------------------------------------------------------
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function newobject:GetText()
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return self.text
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end
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--[[---------------------------------------------------------
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- func: GetFormattedText()
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- desc: gets the object's formatted text
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--]]---------------------------------------------------------
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function newobject:GetFormattedText()
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return self.formattedtext
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end
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--[[---------------------------------------------------------
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- func: Format()
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- desc: formats the text
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--]]---------------------------------------------------------
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function newobject:DrawText()
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local textdata = self.formattedtext
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local font = self.font
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local theight = font:getHeight("a")
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local x = self.x
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local y = self.y
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local shadow = self.shadow
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local shadowxoffset = self.shadowxoffset
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local shadowyoffset = self.shadowyoffset
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local shadowcolor = self.shadowcolor
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local inlist, list = self:IsInList()
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for k, v in ipairs(textdata) do
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local text = v.text
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local color = v.color
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if inlist then
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if (y + v.y) <= (list.y + list.height) and self.y + ((v.y + theight)) >= list.y then
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love.graphics.setFont(font)
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if shadow then
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love.graphics.setColor(unpack(shadowcolor))
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love.graphics.print(text, x + v.x + shadowxoffset, y + v.y + shadowyoffset)
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end
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love.graphics.setColor(unpack(color))
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love.graphics.print(text, x + v.x, y + v.y)
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end
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else
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love.graphics.setFont(font)
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if shadow then
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love.graphics.setColor(unpack(shadowcolor))
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love.graphics.print(text, x + v.x + shadowxoffset, y + v.y + shadowyoffset)
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end
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love.graphics.setColor(unpack(color))
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love.graphics.print(text, x + v.x, y + v.y)
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end
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end
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end
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--[[---------------------------------------------------------
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- func: SetMaxWidth(width)
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- desc: sets the object's maximum width
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--]]---------------------------------------------------------
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function newobject:SetMaxWidth(width)
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self.maxw = width
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self:SetText(self.original)
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end
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--[[---------------------------------------------------------
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- func: GetMaxWidth()
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- desc: gets the object's maximum width
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--]]---------------------------------------------------------
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function newobject:GetMaxWidth()
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return self.maxw
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end
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--[[---------------------------------------------------------
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- func: SetWidth(width)
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- desc: sets the object's width
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--]]---------------------------------------------------------
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function newobject:SetWidth(width)
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self:SetMaxWidth(width)
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end
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--[[---------------------------------------------------------
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- func: SetHeight()
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- desc: sets the object's height
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--]]---------------------------------------------------------
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function newobject:SetHeight(height)
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return
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end
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--[[---------------------------------------------------------
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- func: SetSize()
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- desc: sets the object's size
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--]]---------------------------------------------------------
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function newobject:SetSize(width, height)
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self:SetMaxWidth(width)
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end
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--[[---------------------------------------------------------
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- func: SetFont(font)
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- desc: sets the object's font
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- note: font argument must be a font object
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--]]---------------------------------------------------------
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function newobject:SetFont(font)
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local original = self.original
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self.font = font
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if original then
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self:SetText(original)
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end
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end
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--[[---------------------------------------------------------
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- func: GetFont()
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- desc: gets the object's font
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--]]---------------------------------------------------------
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function newobject:GetFont()
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return self.font
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end
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--[[---------------------------------------------------------
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- func: GetLines()
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- desc: gets the number of lines the object's text uses
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--]]---------------------------------------------------------
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function newobject:GetLines()
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return self.lines
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end
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--[[---------------------------------------------------------
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- func: SetIgnoreNewlines(bool)
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- desc: sets whether the object should ignore \n or not
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--]]---------------------------------------------------------
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function newobject:SetIgnoreNewlines(bool)
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self.ignorenewlines = bool
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end
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--[[---------------------------------------------------------
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- func: GetIgnoreNewlines()
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- desc: gets whether the object should ignore \n or not
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--]]---------------------------------------------------------
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function newobject:GetIgnoreNewlines()
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return self.ignorenewlines
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end
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--[[---------------------------------------------------------
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- func: SetShadow(bool)
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- desc: sets whether or not the object should draw a
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shadow behind it's text
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--]]---------------------------------------------------------
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function newobject:SetShadow(bool)
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self.shadow = bool
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end
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--[[---------------------------------------------------------
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- func: GetShadow()
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- desc: gets whether or not the object should draw a
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shadow behind it's text
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--]]---------------------------------------------------------
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function newobject:GetShadow()
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return self.shadow
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end
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--[[---------------------------------------------------------
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- func: SetShadowOffsets(offsetx, offsety)
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- desc: sets the object's x and y shadow offsets
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--]]---------------------------------------------------------
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function newobject:SetShadowOffsets(offsetx, offsety)
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self.shadowxoffset = offsetx
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self.shadowyoffset = offsety
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end
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--[[---------------------------------------------------------
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- func: GetShadowOffsets()
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- desc: gets the object's x and y shadow offsets
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--]]---------------------------------------------------------
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function newobject:GetShadowOffsets()
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return self.shadowxoffset, self.shadowyoffset
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end
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--[[---------------------------------------------------------
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- func: SetShadowColor(r, g, b, a)
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- desc: sets the object's shadow color
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--]]---------------------------------------------------------
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function newobject:SetShadowColor(r, g, b, a)
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self.shadowcolor = {r, g, b, a}
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end
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--[[---------------------------------------------------------
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- func: GetShadowColor()
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- desc: gets the object's shadow color
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--]]---------------------------------------------------------
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function newobject:GetShadowColor()
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return self.shadowcolor
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end |